#!/usr/env/bin python
# -*- coding: utf-8 -*-

# @Time    : 2020-12-18 8:59 上午
# @Author  : yangdy
# @File    : 2020-12-18.389.找不同
# @Software: PyCharmCE
class Solution:
    def findTheDifference(self, s: str, t: str) -> str:
        return chr(sum(map(ord, t)) - sum(map(ord, s)))
